diff --git a/src/StaticPHP/Util/BuildRootTracker.php b/src/StaticPHP/Util/BuildRootTracker.php
index 306bf90c..eae9a21d 100644
--- a/src/StaticPHP/Util/BuildRootTracker.php
+++ b/src/StaticPHP/Util/BuildRootTracker.php
@@ -15,7 +15,7 @@ class BuildRootTracker
     /** @var array<string, array{package: string, type: string, files: array<string>}> Tracking data */
     protected array $tracking_data = [];
 
-    protected static string $tracker_file = BUILD_ROOT_PATH . '/.spc-tracker.json';
+    protected static string $tracker_file = BUILD_ROOT_PATH . '/.build.json';
 
     protected ?DirDiff $current_diff = null;